/Engine/Plugins/Slate/SlateScripting/Source/SlateScriptingCommands/Public/UICommandsScriptingSubsystem.h
Unregisters the corresponding command set with all commands registered within it
Whether the command set existed and was successfully unregistered
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Editor Scripting | Commands | Sets") bool UnregisterCommandSet ( [FName](API\Runtime\Core\UObject\FName) SetName )